80900176

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5431}}^1$

素因数の和:5472

約数の個数: 60

約数和(自身を含む): 191966880

約数和(自身を除く): 111066704

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 133, 152, 196, 266, 304, 392, 532, 784, 931, 1064, 1862, 2128, 3724, 5431, 7448, 10862, 14896, 21724, 38017, 43448, 76034, 86896, 103189, 152068, 206378, 266119, 304136, 412756, 532238, 608272, 722323, 825512, 1064476, 1444646, 1651024, 2128952, 2889292, 4257904, 5056261, 5778584, 10112522, 11557168, 20225044, 40450088, 80900176]

約数ペア:

[(1, 80900176), (2, 40450088), (4, 20225044), (7, 11557168), (8, 10112522), (14, 5778584), (16, 5056261), (19, 4257904), (28, 2889292), (38, 2128952), (49, 1651024), (56, 1444646), (76, 1064476), (98, 825512), (112, 722323), (133, 608272), (152, 532238), (196, 412756), (266, 304136), (304, 266119), (392, 206378), (532, 152068), (784, 103189), (931, 86896), (1064, 76034), (1862, 43448), (2128, 38017), (3724, 21724), (5431, 14896), (7448, 10862)]